kopia lustrzana https://github.com/vitorpamplona/amethyst
237 wiersze
8.3 KiB
Kotlin
237 wiersze
8.3 KiB
Kotlin
/**
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* Copyright (c) 2023 Vitor Pamplona
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
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* Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package com.vitorpamplona.quartz
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
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import com.fasterxml.jackson.annotation.JsonProperty
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import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
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import com.vitorpamplona.quartz.crypto.Nip44v2
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import com.vitorpamplona.quartz.encoders.hexToByteArray
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import com.vitorpamplona.quartz.encoders.toHexKey
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import fr.acinq.secp256k1.Secp256k1
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import junit.framework.TestCase.assertEquals
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import junit.framework.TestCase.assertNotNull
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import junit.framework.TestCase.assertNull
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import junit.framework.TestCase.fail
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import org.junit.Test
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import org.junit.runner.RunWith
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import java.security.MessageDigest
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import java.security.SecureRandom
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@RunWith(AndroidJUnit4::class)
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class NIP44v2Test {
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private val vectors: VectorFile =
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jacksonObjectMapper()
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.readValue(
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getInstrumentation().context.assets.open("nip44.vectors.json"),
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VectorFile::class.java,
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)
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private val random = SecureRandom()
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private val nip44v2 = Nip44v2(Secp256k1.get(), random)
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@Test
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fun conversationKeyTest() {
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for (v in vectors.v2?.valid?.getConversationKey!!) {
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val conversationKey =
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nip44v2.getConversationKey(v.sec1!!.hexToByteArray(), v.pub2!!.hexToByteArray())
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assertEquals(v.conversationKey, conversationKey.toHexKey())
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}
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}
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@Test
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fun paddingTest() {
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for (v in vectors.v2?.valid?.calcPaddedLen!!) {
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val actual = nip44v2.calcPaddedLen(v[0])
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assertEquals(v[1], actual)
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}
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}
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@Test
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fun encryptDecryptTest() {
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for (v in vectors.v2?.valid?.encryptDecrypt!!) {
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val pub2 = com.vitorpamplona.quartz.crypto.KeyPair(v.sec2!!.hexToByteArray())
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val conversationKey1 = nip44v2.getConversationKey(v.sec1!!.hexToByteArray(), pub2.pubKey)
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assertEquals(v.conversationKey, conversationKey1.toHexKey())
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val ciphertext =
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nip44v2
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.encryptWithNonce(
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v.plaintext!!,
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conversationKey1,
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v.nonce!!.hexToByteArray(),
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)
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.encodePayload()
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assertEquals(v.payload, ciphertext)
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val pub1 = com.vitorpamplona.quartz.crypto.KeyPair(v.sec1.hexToByteArray())
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val conversationKey2 = nip44v2.getConversationKey(v.sec2.hexToByteArray(), pub1.pubKey)
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assertEquals(v.conversationKey, conversationKey2.toHexKey())
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val decrypted = nip44v2.decrypt(v.payload!!, conversationKey2)
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assertEquals(v.plaintext, decrypted)
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}
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}
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@Test
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fun encryptDecryptLongTest() {
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for (v in vectors.v2?.valid?.encryptDecryptLongMsg!!) {
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val conversationKey = v.conversationKey!!.hexToByteArray()
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val plaintext = v.pattern!!.repeat(v.repeat!!)
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assertEquals(v.plaintextSha256, sha256Hex(plaintext.toByteArray(Charsets.UTF_8)))
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val ciphertext =
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nip44v2
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.encryptWithNonce(
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plaintext,
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conversationKey,
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v.nonce!!.hexToByteArray(),
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)
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.encodePayload()
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assertEquals(v.payloadSha256, sha256Hex(ciphertext.toByteArray(Charsets.UTF_8)))
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val decrypted = nip44v2.decrypt(ciphertext, conversationKey)
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assertEquals(plaintext, decrypted)
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}
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}
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@Test
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fun invalidMessageLengths() {
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for (v in vectors.v2?.invalid?.encryptMsgLengths!!) {
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val key = ByteArray(32)
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random.nextBytes(key)
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try {
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nip44v2.encrypt("a".repeat(v), key)
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fail("Should Throw for $v")
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} catch (e: Exception) {
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assertNotNull(e)
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}
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}
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}
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@Test
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fun invalidDecrypt() {
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for (v in vectors.v2?.invalid?.decrypt!!) {
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try {
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val result = nip44v2.decrypt(v.payload!!, v.conversationKey!!.hexToByteArray())
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assertNull(result)
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// fail("Should Throw for ${v.note}")
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} catch (e: Exception) {
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assertNotNull(e)
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}
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}
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}
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@Test
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fun invalidConversationKey() {
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for (v in vectors.v2?.invalid?.getConversationKey!!) {
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try {
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nip44v2.getConversationKey(v.sec1!!.hexToByteArray(), v.pub2!!.hexToByteArray())
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fail("Should Throw for ${v.note}")
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} catch (e: Exception) {
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assertNotNull(e)
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}
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}
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}
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private fun sha256Hex(data: ByteArray): String {
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// Creates a new buffer every time
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return MessageDigest.getInstance("SHA-256").digest(data).toHexKey()
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}
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}
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data class VectorFile(
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val v2: V2? = V2(),
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)
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data class V2(
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val valid: Valid? = Valid(),
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val invalid: Invalid? = Invalid(),
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)
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data class Valid(
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@JsonProperty("get_conversation_key")
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val getConversationKey: ArrayList<GetConversationKey> = arrayListOf(),
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@JsonProperty("get_message_keys") val getMessageKeys: GetMessageKeys? = GetMessageKeys(),
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@JsonProperty("calc_padded_len") val calcPaddedLen: ArrayList<ArrayList<Int>> = arrayListOf(),
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@JsonProperty("encrypt_decrypt") val encryptDecrypt: ArrayList<EncryptDecrypt> = arrayListOf(),
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@JsonProperty("encrypt_decrypt_long_msg")
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val encryptDecryptLongMsg: ArrayList<EncryptDecryptLongMsg> = arrayListOf(),
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)
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data class Invalid(
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@JsonProperty("encrypt_msg_lengths") val encryptMsgLengths: ArrayList<Int> = arrayListOf(),
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@JsonProperty("get_conversation_key")
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val getConversationKey: ArrayList<GetConversationKey> = arrayListOf(),
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@JsonProperty("decrypt") val decrypt: ArrayList<Decrypt> = arrayListOf(),
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)
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data class GetConversationKey(
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val sec1: String? = null,
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val pub2: String? = null,
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val note: String? = null,
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@JsonProperty("conversation_key") val conversationKey: String? = null,
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)
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data class GetMessageKeys(
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@JsonProperty("conversation_key") val conversationKey: String? = null,
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val keys: ArrayList<Keys> = arrayListOf(),
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)
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data class Keys(
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@JsonProperty("nonce") val nonce: String? = null,
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@JsonProperty("chacha_key") val chachaKey: String? = null,
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@JsonProperty("chacha_nonce") val chachaNonce: String? = null,
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@JsonProperty("hmac_key") val hmacKey: String? = null,
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)
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data class EncryptDecrypt(
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val sec1: String? = null,
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val sec2: String? = null,
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@JsonProperty("conversation_key") val conversationKey: String? = null,
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val nonce: String? = null,
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val plaintext: String? = null,
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val payload: String? = null,
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)
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data class EncryptDecryptLongMsg(
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@JsonProperty("conversation_key") val conversationKey: String? = null,
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val nonce: String? = null,
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val pattern: String? = null,
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val repeat: Int? = null,
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@JsonProperty("plaintext_sha256") val plaintextSha256: String? = null,
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@JsonProperty("payload_sha256") val payloadSha256: String? = null,
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)
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data class Decrypt(
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@JsonProperty("conversation_key") val conversationKey: String? = null,
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val nonce: String? = null,
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val plaintext: String? = null,
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val payload: String? = null,
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val note: String? = null,
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)
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